Home / 807,982.00-1,115,018.67-445,398.06

Finding the Fourth Proportional to 807,982.00, 1,115,018.67 and 445,398.06

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Solution

The fourth proportional to 807,982.00, 1,115,018.67 and 445,398.06 is: 614,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,982.00 : 1,115,018.67 = 445,398.06 : x
  2. Step 2: Convert to fraction form
    807,982.00/1,115,018.67 = 445,398.06/x
  3. Step 3: Cross multiply
    807,982.00x = 1,115,018.67 × 445,398.06
  4. Step 4: Simplify right side
    807,982.00x = 496,627,148,580.74
  5. Step 5: Solve for x
    x = 496,627,148,580.74/807,982.00
  6. Step 6: Final answer
    x = 614,651.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.